Overview

overview

10

Static

static

f2819d1e06...0e.exe

windows7-x64

10

f2819d1e06...0e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    189s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2022 11:06

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General

  • Target

    f2819d1e06196e6c32e4d30e445b981f457e1218f95ef2d33fe91ec4b8eddd0e.exe

  • Size

    360KB

  • MD5

    6c140e3b55a489e5d497ef9609587443

  • SHA1

    7fcf23f026d6dace23700ed0e61135b9600027a7

  • SHA256

    f2819d1e06196e6c32e4d30e445b981f457e1218f95ef2d33fe91ec4b8eddd0e

  • SHA512

    8c6791e1bbab1e4fdd0dcc8c2c8c38aaac3a8e7b422f3211f10b76965474a3091ce60ed092b4e98688c7fa4f02452d5ae8a4fa9b6856fdd0a88d92c941f3238b

  • SSDEEP

    6144:S/nuDm9tOBe8FBXm5kCmTJsT6+jk1iXKKe3p7tg4TTsz:SvugwBe8FQY1ue57tgS4z

Score
10/10
salitybackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies firewall policy service 2 TTPs 3 IoCs
    evasion
  • Modifies system executable filetype association 2 TTPs 2 IoCs
    persistence
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 16 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:64
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2480
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2500
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2740
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:2596
                  • C:\Users\Admin\AppData\Local\Temp\f2819d1e06196e6c32e4d30e445b981f457e1218f95ef2d33fe91ec4b8eddd0e.exe
                    "C:\Users\Admin\AppData\Local\Temp\f2819d1e06196e6c32e4d30e445b981f457e1218f95ef2d33fe91ec4b8eddd0e.exe"
                    2⤵
                    • Modifies WinLogon for persistence
                    • Modifies firewall policy service
                    • Modifies system executable filetype association
                    • Modifies visibility of file extensions in Explorer
                    • Modifies visiblity of hidden/system files in Explorer
                    • UAC bypass
                    • Windows security bypass
                    • Adds policy Run key to start application
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Modifies Internet Explorer settings
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4452
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  1⤵
                    PID:3268
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:1080
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3432
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3364
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4112
                          • C:\Windows\system32\backgroundTaskHost.exe
                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                            1⤵
                              PID:1152
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3676
                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                1⤵
                                  PID:3528

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • memory/4452-132-0x0000000000400000-0x0000000000463000-memory.dmp

                                  Filesize

                                  396KB

                                  Download

                                • memory/4452-133-0x0000000002310000-0x000000000339E000-memory.dmp

                                  Filesize

                                  16.6MB

                                  Download

                                • memory/4452-134-0x0000000002310000-0x000000000339E000-memory.dmp

                                  Filesize

                                  16.6MB

                                  Download

                                • memory/4452-135-0x0000000000400000-0x0000000000463000-memory.dmp

                                  Filesize

                                  396KB

                                  Download

                                • memory/4452-136-0x0000000002310000-0x000000000339E000-memory.dmp

                                  Filesize

                                  16.6MB

                                  Download